:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --register-btn-bg: #C30808;
    --login-btn-bg: #C30808;
    --register-login-font: #FFFF00;
    --text-color-dark: #333333;
    --text-color-light: #ffffff;
    --body-bg: #FFFFFF; /* Assuming default white body background */
    --card-bg-light: #FFFFFF;
    --card-border: #e0e0e0;
    --gap-small: 10px;
    --gap-medium: 20px;
    --gap-large: 30px;
    --padding-section: 60px 0;
    --max-width-content: 1150px;
}

.page-casino-truc-tuyen {
    font-family: 'Arial', sans-serif;
    color: var(--text-color-dark); /* Default text color for light body background */
    background-color: var(--body-bg);
    line-height: 1.6;
}

.page-casino-truc-tuyen__container {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--gap-medium);
    box-sizing: border-box;
}

.page-casino-truc-tuyen__section {
    padding: var(--padding-section);
}

.page-casino-truc-tuyen__dark-bg {
    background-color: var(--primary-color);
    color: var(--text-color-light);
}

.page-casino-truc-tuyen__light-bg {
    background-color: var(--body-bg);
    color: var(--text-color-dark);
}

.page-casino-truc-tuyen__section-title {
    font-size: 2.5em;
    font-weight: bold;
    text-align: center;
    margin-bottom: var(--gap-large);
    color: inherit; /* Inherits from section background */
}

.page-casino-truc-tuyen__sub-title {
    font-size: 1.8em;
    font-weight: bold;
    margin-top: var(--gap-large);
    margin-bottom: var(--gap-medium);
    color: inherit;
}

.page-casino-truc-tuyen__text-block {
    font-size: 1.1em;
    margin-bottom: var(--gap-medium);
    text-align: justify;
}

/* Hero Section */
.page-casino-truc-tuyen__hero-section {
    position: relative;
    padding-top: var(--gap-small); /* Small top padding */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden; /* Ensure image doesn't overflow */
}

.page-casino-truc-tuyen__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 600px; /* Limit height for hero image */
    z-index: 1; /* Image should be below content if any overlay */
}

.page-casino-truc-tuyen__hero-content {
    text-align: center;
    padding: var(--gap-large) var(--gap-medium);
    max-width: 900px;
    z-index: 2;
    background: rgba(0, 0, 0, 0.6); /* Semi-transparent overlay for readability */
    color: var(--text-color-light);
    margin-top: -150px; /* Pull content up over the image */
    position: relative; /* Ensure z-index works */
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-casino-truc-tuyen__main-title {
    font-size: clamp(2.2em, 4vw, 3.5em); /* Responsive font size */
    font-weight: 900;
    margin-bottom: var(--gap-medium);
    line-height: 1.2;
    color: var(--register-login-font); /* Yellow for H1 */
}

.page-casino-truc-tuyen__hero-description {
    font-size: 1.2em;
    margin-bottom: var(--gap-large);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-casino-truc-tuyen__cta-buttons {
    display: flex;
    gap: var(--gap-small);
    justify-content: center;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-casino-truc-tuyen__cta-buttons--center {
    margin-top: var(--gap-large);
}

.page-casino-truc-tuyen__btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow long words to break */
    box-sizing: border-box; /* Include padding and border in element's total width and height */
    max-width: 100%; /* Ensure button doesn't exceed container */
    text-align: center;
}

.page-casino-truc-tuyen__btn-register {
    background-color: var(--register-btn-bg);
    color: var(--register-login-font);
    border: 2px solid var(--register-btn-bg);
}

.page-casino-truc-tuyen__btn-register:hover {
    background-color: #a40707; /* Darken on hover */
    border-color: #a40707;
}

.page-casino-truc-tuyen__btn-login {
    background-color: var(--login-btn-bg);
    color: var(--register-login-font);
    border: 2px solid var(--login-btn-bg);
}

.page-casino-truc-tuyen__btn-login:hover {
    background-color: #a40707; /* Darken on hover */
    border-color: #a40707;
}

.page-casino-truc-tuyen__btn-primary {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    border: 2px solid var(--primary-color);
}

.page-casino-truc-tuyen__btn-primary:hover {
    background-color: #005a2d;
    border-color: #005a2d;
}

.page-casino-truc-tuyen__btn-secondary {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-casino-truc-tuyen__btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.page-casino-truc-tuyen__btn-small {
    padding: 8px 15px;
    font-size: 0.9em;
}

.page-casino-truc-tuyen__list {
    list-style-type: disc;
    padding-left: var(--gap-large);
    margin-bottom: var(--gap-medium);
}

.page-casino-truc-tuyen__list-item {
    margin-bottom: var(--gap-small);
}

.page-casino-truc-tuyen__content-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: var(--gap-medium) auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Game Diversity Section */
.page-casino-truc-tuyen__game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--gap-large);
    margin-top: var(--gap-large);
    margin-bottom: var(--gap-large);
}

.page-casino-truc-tuyen__game-card {
    background-color: var(--card-bg-light);
    color: var(--text-color-dark);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    text-align: center;
    padding-bottom: var(--gap-medium);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-casino-truc-tuyen__card-image {
    width: 100%;
    height: 200px; /* Fixed height for cards */
    object-fit: cover;
    display: block;
    margin-bottom: var(--gap-medium);
}

.page-casino-truc-tuyen__card-title {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: var(--gap-small);
    padding: 0 var(--gap-small);
}

.page-casino-truc-tuyen__card-description {
    font-size: 1em;
    padding: 0 var(--gap-small);
    margin-bottom: var(--gap-medium);
    flex-grow: 1; /* Allow description to take available space */
}

.page-casino-truc-tuyen__more-games-text {
    text-align: center;
    margin-top: var(--gap-medium);
}

/* Technology Section */
.page-casino-truc-tuyen__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--gap-large);
    margin-top: var(--gap-large);
    margin-bottom: var(--gap-large);
}

.page-casino-truc-tuyen__feature-item {
    text-align: center;
    padding: var(--gap-medium);
    border-radius: 8px;
    background-color: var(--card-bg-light);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.page-casino-truc-tuyen__feature-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto var(--gap-medium);
    border-radius: 8px;
}

.page-casino-truc-tuyen__feature-title {
    font-size: 1.6em;
    font-weight: bold;
    margin-bottom: var(--gap-small);
    color: var(--primary-color);
}

.page-casino-truc-tuyen__feature-description {
    font-size: 1em;
}

/* Promotions Section */
.page-casino-truc-tuyen__promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--gap-large);
    margin-top: var(--gap-large);
    margin-bottom: var(--gap-large);
}

.page-casino-truc-tuyen__promo-card {
    background-color: var(--card-bg-light);
    color: var(--text-color-dark);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    padding: var(--gap-medium);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-casino-truc-tuyen__promo-title {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: var(--gap-small);
    color: var(--primary-color);
}

.page-casino-truc-tuyen__promo-description {
    font-size: 1em;
    margin-bottom: var(--gap-medium);
    flex-grow: 1;
}

/* Guide Section */
.page-casino-truc-tuyen__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--gap-large);
    margin-top: var(--gap-large);
    margin-bottom: var(--gap-large);
}

.page-casino-truc-tuyen__guide-card {
    background-color: var(--card-bg-light);
    color: var(--text-color-dark);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    padding: var(--gap-medium);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-casino-truc-tuyen__guide-title {
    font-size: 1.6em;
    font-weight: bold;
    margin-bottom: var(--gap-small);
    color: var(--primary-color);
}

.page-casino-truc-tuyen__guide-description {
    font-size: 1em;
    margin-bottom: var(--gap-medium);
    flex-grow: 1;
}

/* Support Section */
.page-casino-truc-tuyen__contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--gap-large);
    margin-top: var(--gap-large);
    margin-bottom: var(--gap-large);
}

.page-casino-truc-tuyen__contact-card {
    background-color: var(--card-bg-light);
    color: var(--text-color-dark);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    padding: var(--gap-medium);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-casino-truc-tuyen__contact-title {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: var(--gap-small);
    color: var(--primary-color);
}

.page-casino-truc-tuyen__contact-description {
    font-size: 1em;
    margin-bottom: var(--gap-medium);
    flex-grow: 1;
}

.page-casino-truc-tuyen__contact-footer {
    text-align: center;
    margin-top: var(--gap-medium);
    color: var(--text-color-light); /* Inherited from dark-bg */
}

/* Conclusion Section */
.page-casino-truc-tuyen__conclusion-section .page-casino-truc-tuyen__text-block {
    text-align: center;
}

/* --- Responsive Styles --- */

/* Tablet and Mobile (max-width: 1024px) */
@media (max-width: 1024px) {
    .page-casino-truc-tuyen__section-title {
        font-size: 2em;
    }

    .page-casino-truc-tuyen__sub-title {
        font-size: 1.5em;
    }

    .page-casino-truc-tuyen__main-title {
        font-size: clamp(2em, 5vw, 3em);
    }

    .page-casino-truc-tuyen__hero-description {
        font-size: 1.1em;
    }

    .page-casino-truc-tuyen__hero-content {
        margin-top: -100px;
        padding: var(--gap-medium);
    }

    .page-casino-truc-tuyen__game-grid,
    .page-casino-truc-tuyen__feature-grid,
    .page-casino-truc-tuyen__promo-grid,
    .page-casino-truc-tuyen__guide-steps,
    .page-casino-truc-tuyen__contact-methods {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--gap-medium);
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    .page-casino-truc-tuyen {
        font-size: 16px; /* Mobile increased font size */
        line-height: 1.6;
    }

    /* 1. Top Section Title + CTA */
    .page-casino-truc-tuyen__hero-section {
        padding-top: var(--gap-small) !important; /* Approx 10px */
    }
    .page-casino-truc-tuyen__hero-content {
        padding: var(--gap-medium) var(--gap-small);
        margin-top: -80px; /* Adjust overlap for mobile */
    }
    .page-casino-truc-tuyen__main-title {
        font-size: 2em !important; /* Ensure H1 doesn't take too much space */
        line-height: 1.3 !important;
    }
    .page-casino-truc-tuyen__hero-description {
        font-size: 1em !important;
    }
    .page-casino-truc-tuyen__cta-buttons {
        flex-direction: column !important; /* Stack buttons vertically */
        gap: var(--gap-small) !important;
        padding: 0 15px; /* Add padding to container */
    }
    .page-casino-truc-tuyen__btn {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-casino-truc-tuyen__btn-register,
    .page-casino-truc-tuyen__btn-login,
    .page-casino-truc-tuyen__btn-primary,
    .page-casino-truc-tuyen__btn-secondary,
    .page-casino-truc-tuyen a[class*="button"],
    .page-casino-truc-tuyen a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-casino-truc-tuyen__cta-buttons,
    .page-casino-truc-tuyen__button-group,
    .page-casino-truc-tuyen__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: var(--gap-small);
    }
    .page-casino-truc-tuyen__cta-buttons {
        display: flex;
        flex-direction: column; /* Mobile vertical arrangement for CTA buttons */
    }


    /* 2. Single Column Long Text Container */
    .page-casino-truc-tuyen__container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-casino-truc-tuyen__section {
        padding: var(--gap-large) 0;
    }
    .page-casino-truc-tuyen__section-title {
        font-size: 1.8em !important;
        margin-bottom: var(--gap-medium) !important;
    }
    .page-casino-truc-tuyen__sub-title {
        font-size: 1.3em !important;
        margin-top: var(--gap-medium) !important;
        margin-bottom: var(--gap-small) !important;
    }
    .page-casino-truc-tuyen__text-block {
        font-size: 1em !important;
        margin-bottom: var(--gap-small) !important;
    }
    .page-casino-truc-tuyen__list {
        padding-left: var(--gap-medium) !important;
    }
}